papermc/Spigot-Server-Patches/0140-Don-t-allow-entities-to-ride-themselves-572.patch
Shane Freeder 9946cef8c5
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
f52c70ab Fix incorrect nullability in MultipleFacing
6af4c0b2 SPIGOT-5311: Add API to get/set item associated with throwable projectiles
97aeae56 Add set/isAware to disable Vanilla AI components of a Mob

CraftBukkit Changes:
fba9f487 Improve legacy conversion of some materials that changed post flattening
b1ba8749 Move Bukkit.Aware loading/saving to correct location
f7cdb53c SPIGOT-5311: Add API to get/set item associated with throwable projectiles
689f429c #634: Cross platform patch scripts
ab85433d Add set/isAware to disable Vanilla AI components of a Mob

Spigot Changes:
8faa8b45 Rebuild patches
2020-02-21 17:52:20 +00:00

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Diff

From 47db2f72df0c321d5a3fba2afb32d74739421a1e Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Sun, 8 Jan 2017 04:31:36 +0000
Subject: [PATCH] Don't allow entities to ride themselves - #572
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index cfa7bc59f2..59cf0d1017 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -2025,6 +2025,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
protected boolean addPassenger(Entity entity) { // CraftBukkit
+ if (entity == this) throw new IllegalArgumentException("Entities cannot become a passenger of themselves"); // Paper - issue 572
if (entity.getVehicle() != this) {
throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
} else {
--
2.25.0